Fix rakefile

Author: clown

Rakefile

@@ -23,7 +23,7 @@ require 'rake/clean'
 # --------------------------------------------------------------------------- #
 PROJECT     = "Cube.Pdf"
 LATEST      = "v9"
-BRANCHES    = ["net47", "net35"]
+BRANCHES    = ["net47", "net35", "net80"]
 PLATFORMS   = ["Any CPU", "x86", "x64", "ARM64"]
 PACKAGES    = ["Libraries/Core/Cube.Pdf.Core",
                "Libraries/Generating/Cube.Pdf.Generating",